我不是身体，我是思想。

食物的未来取决于我们今天如何对待土壤。

The most important thing is to be true to yourself.

我比我想象的更坚强。

The Liskov Substitution Principle is a fundamental concept in object-oriented programming, ensuring that derived classes can be used in place of their base classes without altering the correctness of the program.